CN213613308U - Ozone injection well head and ozone repair system comprising same - Google Patents
Ozone injection well head and ozone repair system comprising same Download PDFInfo
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- CN213613308U CN213613308U CN202021974212.7U CN202021974212U CN213613308U CN 213613308 U CN213613308 U CN 213613308U CN 202021974212 U CN202021974212 U CN 202021974212U CN 213613308 U CN213613308 U CN 213613308U
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Abstract
The utility model provides an ozone injection well head and contain its ozone repair system relates to soil normal position chemical oxidation and restores technical field, has solved the technical problem that the repair cost is high. The ozone injection well head comprises a well pipe with a hollow structure and an extraction pipe connected with the well pipe, wherein an included angle is formed between the extraction pipe and the well pipe; the top of the well pipe is provided with an interlayer, and the interlayer is provided with an ozone injection port and an exhaust valve; the ozone injection wellhead is provided with an ozone injection operation mode and a vapor extraction operation mode, and one of the two operation modes is selected to operate; the ozone remediation system includes one or more ozone injection wellheads. The utility model connects the ozone injection pipe and the extraction pipe in parallel, thereby reducing the number of drilling holes, the number of well pipes, the field construction procedures, the construction time and the repair cost; the utility model provides an ozone repair system, through using two ozone injection well heads combinations, can shorten soil repair time, improve the operating efficiency.
Description
Technical Field
The utility model belongs to the technical field of soil normal position chemical oxidation restoration technique and specifically relates to an ozone injection well head and contain its ozone repair system is related to.
Background
With the rapid development of economy, the field pollution is more and more serious in China, and the field pollution becomes an environmental problem which cannot be ignored. A large amount of pollutants are generated in various industries such as petroleum, chemical engineering, pesticides, mines, printing, building materials, spraying and the like during production. The pollutants piled and discharged in sites of various industries cause serious site pollution. Various pollutants in the waste pollution site have adverse effects on the surrounding ecological environment and human health if not treated or treated improperly.
Organic pollutants are one of the most widely distributed pollutants at contaminated sites. Organic contaminants can adsorb on soil particles and be released continuously into the soil and groundwater. In order to reduce the influence of the soil polluted by organic pollutants on human health and ecological environment, the organic pollutants adsorbed on soil particles need to be removed more thoroughly.
At present, ozone injection and air exhaust components in the repair system on the market are independently arranged, pipe wells and pipelines are respectively arranged, the number of well digging is increased, the number of the pipe wells is increased, the construction time is long, manpower and material resources are consumed, and the repair cost is high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an ozone injection well head and well head system to solve the technical problem that the repair cost is high that exists among the prior art.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides an ozone injection well head, which comprises a well pipe with a hollow structure, wherein the well pipe is vertically arranged, and the lower part of the well pipe is inserted into polluted soil; the device also comprises an extraction pipe, wherein the extraction pipe is connected with the upper part of the well pipe, and an included angle is formed between the extraction pipe and the upper part of the well pipe; an interlayer is arranged in the inner cavity at the top of the well pipe, and an ozone injection port and an exhaust valve are arranged on the interlayer; the ozone injection port is connected with an ozone generating device pipeline, and the tail end of the extraction pipe is connected with an extraction device pipeline; the ozone injection wellhead is provided with an ozone injection operation mode and a vapor extraction operation mode, and one of the two operation modes is selected to operate.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
As a further improvement of the present invention, the ozone injection operation mode is an operation mode in which the lower well pipe portion communicates with the upper well pipe portion to form an ozone fluid passage; the gas phase extraction operation mode is an operation mode that the lower part of the well pipe is communicated with the extraction pipe, and the upper part of the well pipe is closed to form a gas phase extraction passage.
As a further improvement of the present invention, the well casing and the included angle between the extraction pipes are 90 degrees or less than 90 degrees.
As a further improvement of the utility model, the well casing and/or be provided with the pressure measurement device on the extraction pipe.
As a further improvement, the pressure measuring device is a pressure gauge.
As a further improvement of the utility model, the extraction pipe is provided with an opening and closing piece which can enable the internal fluid passage to be communicated or closed.
As a further improvement of the utility model, the opening and closing piece is a ball valve.
As a further improvement of the present invention, the well casing the extraction pipe and the ball valve are made of corrosion resistant material.
As a further improvement of the utility model, the corrosion-resistant material is a UPVC material.
As a further improvement of the present invention, the inside of the well casing is located above the extraction pipe, and a one-way circulation member is provided to circulate the medium in the well casing only from the upper part to the lower part thereof.
As a further improvement of the utility model, the one-way circulation piece comprises a split door plate and a limiting rod, and the split door plate is hinged on the wall of the well pipe through a torsional spring; the limiting rod is obliquely arranged, the top edge of the limiting rod is fixed on the wall of the well pipe, and the lower edge of the limiting rod abuts against the upper surface of the door plate when the split door plate is in a horizontal state.
The utility model provides an ozone repair system, which comprises one or more ozone injection well heads, ozone generating equipment and extracting equipment, wherein the ozone generating equipment and the extracting equipment are connected with all the ozone injection well heads;
when the number of the ozone injection well heads is one, the lower part of the well pipe is communicated with the upper part of the well pipe to be in an ozone injection operation mode; or, the lower part of the well pipe is communicated with the extraction pipe, and the upper part of the well pipe is closed to be in a gas phase extraction operation mode;
when the number of the ozone injection well heads is multiple, the adjacent ozone injection well heads form a group, one or more ozone injection well heads in each group are in an injection mode, and one or more ozone injection well heads are in an extraction mode.
Compared with the prior art, the utility model following beneficial effect has:
the ozone injection wellhead provided by the utility model has the advantages that the ozone injection pipe and the extraction pipe are connected in parallel and share the lower part of the well pipe, so that the number of drilled holes is reduced, the number of well pipes to be laid is reduced, the ozone injection wellhead can be manufactured in advance, the field construction procedures are reduced, the construction time is shortened, and the repair cost is greatly reduced; the utility model provides an ozone repair system, through using a plurality of ozone injection well heads combination, one or more are used for ozone injection, and a plurality of or one are used for the vapor extraction, can shorten soil repair time, improve the operating efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of an ozone injection wellhead of the present invention;
figure 2 is the structure schematic diagram that the ozone repair system of the utility model is provided with two ozone injection well heads.
FIG. 1, well pipe; 2. an extraction pipe; 3. an interlayer; 4. an ozone injection port; 5. an exhaust valve; 6. a pressure gauge; 7. a ball valve; 8. the door plates are opened in half; 9. a limiting rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, the utility model provides an ozone injection wellhead, which comprises a well pipe 1 with a hollow structure, wherein the well pipe 1 is vertically arranged and the lower part of the well pipe is inserted into polluted soil; the device also comprises an extraction pipe 2, wherein the extraction pipe 2 is connected with the upper part of the well pipe 1, and an included angle is formed between the extraction pipe 2 and the well pipe; an interlayer 3 is arranged in an inner cavity at the top of the well pipe 1, and an ozone injection port 4 and an exhaust valve 5 are arranged on the interlayer 3; the ozone injection port 4 is connected with an ozone generating device pipeline, and the tail end of the extraction pipe 2 is connected with an extraction device pipeline; the interlayer 3 is of a curved structure, similar to a semicircle; the ozone injection wellhead is provided with an ozone injection operation mode and a vapor extraction operation mode, and one of the two operation modes is selected to operate.
As an optional embodiment of the present invention, the ozone injection operation mode is an operation mode in which the lower part of the well casing 1 is communicated with the upper part of the well casing 1 to form an ozone fluid passage; the vapor extraction operation mode is an operation mode in which the lower part of the well pipe 1 is communicated with the extraction pipe 2 and the upper part of the well pipe 1 is closed to form a vapor extraction passage.
It is further noted that the angle between the well pipe 1 and the extraction pipe 2 is 90 degrees or less than 90 degrees. As shown in fig. 1, the drawing of the present invention only shows an embodiment in which the well pipe 1 and the extraction pipe 2 are perpendicular to each other. Of course, an acute angle therebetween is also possible, but an acute angle therebetween is preferably greater than 45 degrees.
In order to facilitate the real-time understanding of the operation state of the equipment, the well pipe 1 and/or the extraction pipe 2 are/is provided with a pressure measuring device.
Fig. 1 shows a structure diagram of a pressure measuring device arranged on both a well pipe 1 and an extraction pipe 2; further, the pressure measuring device is a pressure gauge 6. The outlet valve 5 opens when the pressure in the well pipe 1 exceeds a preset pressure of the outlet valve 5.
As an optional embodiment of the present invention, the extraction tube 2 is provided with an opening/closing member that can open or close the internal fluid passage.
In particular, the opening and closing member is a ball valve 7.
It should be noted that the well casing 1, the extraction pipe 2 and the ball valve 7 are made of corrosion resistant material, such as UPVC material.
Furthermore, a one-way flow element is arranged in the well casing 1 above the extraction pipe 2, so that the medium in the well casing 1 can only flow from the upper part to the lower part thereof.
The one-way circulation piece comprises a split door plate 8 and a limiting rod 9, and the split door plate 8 is hinged to the wall of the well pipe 1 through a torsion spring; the limiting rod 9 is obliquely arranged, the top edge is fixed on the wall of the well pipe 1, and the lower edge abuts against the upper surface of the door plate when the split door plate 8 is in a horizontal state. It should be noted that, in order to ensure the stable operation of the apparatus, when the two half-open door panels 8 are closed, that is, in a horizontal state, the two ends have a gap, so that a small amount of gas can be ensured to pass through.
As shown in fig. 2, the ozone remediation system provided by the present invention comprises one or more ozone injection wellheads, an ozone generating device and an extracting device, wherein the ozone generating device and the extracting device are connected with all the ozone injection wellheads;
when the number of the ozone injection well heads is one, the lower part of the well pipe 1 is communicated with the upper part of the well pipe 1 and is in an ozone injection operation mode; or, the lower part of the well pipe 1 is communicated with the extraction pipe 2, and the upper part of the well pipe 1 is closed to be in a gas phase extraction operation mode;
when the number of the ozone injection well heads is multiple, a group of the adjacent ozone injection well heads is formed, one or more ozone injection well heads in each group are in an injection mode, and one or more ozone injection well heads are in an extraction mode; so that the ozone injected through one or more ozone injection well heads can remove pollutants in the soil and then the gas phase substances after reaction can be pumped out through another ozone injection well head or another ozone injection well head. The combination form can be selected according to actual needs.
Fig. 2 is a schematic diagram of a group of ozone injection well heads in operation, wherein arrows indicate the flow direction of ozone.
It should be noted that "inward" is a direction toward the center of the accommodating space, and "outward" is a direction away from the center of the accommodating space.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship indicated based on the orientation or positional relationship shown in fig. 1, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "above," and "over" a second feature may mean that the first feature is directly above or obliquely above the second feature, or that only the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. An ozone injection well head is characterized by comprising a well pipe with a hollow structure, wherein the well pipe is vertically arranged, and the lower part of the well pipe is inserted into polluted soil; the device also comprises an extraction pipe, wherein the extraction pipe is connected with the upper part of the well pipe, and an included angle is formed between the extraction pipe and the upper part of the well pipe; an interlayer is arranged in the inner cavity at the top of the well pipe, and an ozone injection port and an exhaust valve are arranged on the interlayer; the ozone injection port is connected with an ozone generating device pipeline, and the tail end of the extraction pipe is connected with an extraction device pipeline; the ozone injection wellhead is provided with an ozone injection operation mode and a vapor extraction operation mode, and one of the two operation modes is selected to operate.
2. The ozone injection wellhead of claim 1, wherein the ozone injection mode of operation is a mode in which the lower well casing portion communicates with the upper well casing portion to form an ozone fluid pathway; the gas phase extraction operation mode is an operation mode that the lower part of the well pipe is communicated with the extraction pipe, and the upper part of the well pipe is closed to form a gas phase extraction passage.
3. The ozone injection wellhead of claim 1 or claim 2, wherein the well tubing is at an angle of 90 degrees or less than 90 degrees to the extraction tubing.
4. The ozone injection wellhead according to claim 1 or claim 2 wherein a pressure measurement device is provided on the well tubing and/or the extraction tubing.
5. The ozone injection wellhead as claimed in claim 1 or claim 2 wherein the extraction tube is provided with a closure to enable communication or closure of the internal fluid passageway.
6. The ozone injection wellhead of claim 5, wherein the closure is a ball valve.
7. The ozone injection wellhead of claim 6, wherein the well tubing, the extraction tubing, and the ball valve are all made of corrosion resistant materials.
8. The ozone injection wellhead as claimed in claim 1 or claim 2 wherein a one-way flow element is provided within the well above the extraction tubing to allow flow of the well tubing medium only from the upper portion to the lower portion thereof.
9. The ozone injection wellhead as claimed in claim 8 wherein the one-way flow element comprises a split door plate and a stop lever, the split door plate being hinged to the wall of the wellhead by a torsion spring; the limiting rod is obliquely arranged, the top edge of the limiting rod is fixed on the wall of the well pipe, and the lower edge of the limiting rod abuts against the upper surface of the door plate when the split door plate is in a horizontal state.
10. An ozone remediation system comprising one or more ozone injection wellheads as defined in any one of claims 1 to 9, ozone generating means and extraction means connected to all of said ozone injection wellheads;
when the number of the ozone injection well heads is one, the lower part of the well pipe is communicated with the upper part of the well pipe to be in an ozone injection operation mode; or, the lower part of the well pipe is communicated with the extraction pipe, and the upper part of the well pipe is closed to be in a gas phase extraction operation mode;
when the number of the ozone injection well heads is multiple, the adjacent ozone injection well heads form a group, one or more ozone injection well heads in each group are in an injection mode, and one or more ozone injection well heads are in an extraction mode.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021974212.7U CN213613308U (en) | 2020-09-10 | 2020-09-10 | Ozone injection well head and ozone repair system comprising same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021974212.7U CN213613308U (en) | 2020-09-10 | 2020-09-10 | Ozone injection well head and ozone repair system comprising same |
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| CN213613308U true CN213613308U (en) | 2021-07-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230121121A1 (en) * | 2021-10-19 | 2023-04-20 | Saudi Arabian Oil Company | Nonmetallic downhole check valve to improve power water injector well safety and reliability |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230121121A1 (en) * | 2021-10-19 | 2023-04-20 | Saudi Arabian Oil Company | Nonmetallic downhole check valve to improve power water injector well safety and reliability |
| US11828146B2 (en) * | 2021-10-19 | 2023-11-28 | Saudi Arabian Oil Company | Nonmetallic downhole check valve to improve power water injector well safety and reliability |
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